The idea was thought up by a paramedic who found that when they went to the scenes of accidents, there were always mobile phones with patients, but they didn know which number to call.

• 这的点子是由一位医务人员想出来的.；他发现当他们到意外现场时；往往意外当事人身上都会携带手机；但医务人员不知道该打哪支号码通知家属